13123050656 has 24 divisors (see below), whose sum is σ = 25843585824. Its totient is φ = 6559600320.

The previous prime is 13123050649. The next prime is 13123050673. The reversal of 13123050656 is 65605032131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53951 + ... + 170753.

It is an arithmetic number, because the mean of its divisors is an integer number (1076816076).

Almost surely, 2^13123050656 is an apocalyptic number.

13123050656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13123050656 is a deficient number, since it is larger than the sum of its proper divisors (12720535168).

13123050656 is a wasteful number, since it uses less digits than its factorization.

13123050656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120324 (or 120316 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 13123050656 its reverse (65605032131), we get a palindrome (78728082787).

The spelling of 13123050656 in words is "thirteen billion, one hundred twenty-three million, fifty thousand, six hundred fifty-six".